trying to block email

using xp home with ie7; I keep getting an email telling me I have won an Audi A3; I have set up ie7 to block the sender 4 times and set up a rule to block the email in the following ways, where the subject line says 'congratulations', and different variations of the body text: Our random generator', 'possible winner', 'Audi A3' and 'Audi A3!!!' all to delete at serverthe body message is as follows, I have replaced my email address in this example:"Congratulations!Our random generator has JUST selected your email address my name and email address> from 500.000 newsletter recipients as possible winner of an Audi A3!!!"yet this message keeps coming, all help and suggestions gratefully accepted

thanks for suggestions, Belatucadrus I have both variations congratulations, with andbwithout the ! mark, I will try your suggestion birksy, I have already blocked it again, thanks rawprawn I am giving that a try, until the message comes again, which I hope it wont, I wont know what is/isn't working